1981—2018年甘肃省极端暴雨天气过程的气候与环流特征

刘新伟,王澄海,郭润霞,杨晓军,狄潇泓

Climate and Circulation Characteristics of Extreme Rainstorm Processes in Gansu from 1981 to 2018

Xinwei LIU,Chenghai WANG,Runxia GUO,Xiaojun YANG,Xiaohong DI

图7 甘肃不同落区极端暴雨日20:00 700 hPa平均位势高度场(线条,单位:dagpm)和风场(矢量,单位:m·s-1)分布 (a)陇东型,(b)陇东南型,(c)陇南型,(d)分散型

Fig.7 The distribution of 700 hPa average geopotential height field (lines, Unit: dagpm) and wind field (vectors, Unit: m·s-1) at 20:00 BST on extreme rainstorm days in different falling areas of Gansu (a) eastern Gansu pattern, (b) southeastern Gansu pattern, (c) southern Gansu pattern, (d) dispersion pattern